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E

Modulus of elasticity, psi
F

Maximum bending stress in member, ksi
Fa

Axial compressive stress permitted in absence of bending
moment, ksi
Fdv

Dynamic yield stress in shear, ksi
Fdy

Dynamic yield stress in flexure, ksi
Fex, Fey
Euler stress divided by safety factor, ksi
Fs

Allowable static design stress, ksi
Fy

Static yield stress, ksi
g

Acceleration due to gravity, ft/sec2
h

Clear distance between flanges of sections
H

Story height, ft
I

Moment of inertia, in4
Ica

Average column moment of inertia, in4
Ig

Moment of inertia of girder, in4
K

Effective length factor
Frame Stiffness, k/in
Kb

Horizontal stiffness of tension bracing
KE

Equivalent elastic unit stiffness, k/ft or lb/ft
KL

Load factor
KLM

LoadMass factor
KM

Mass factor
*l

Distance between cross sections braced against twist or
lateral displacement of the compression flange, in
*lb

Actual unbraced length in pland of bending, in
*lcr

Critical unbraced length adjacent to plastic hinges, in
*lx, *ly  Unbraced lengths in x and yaxes respectively
2.08194


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